Went through that list looking for inaccuracies. Only found one: "In beers which use pre-isomerized hop extract and very little flavoring hop additions, the beer will be fairly immune to damage from ultraviolet light." --- Uh, it's REDUCED hop extracts, not just pre-isomerized, that are resistent to photodegradation.
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BeerSensorJan 12 '12 at 2:01

I'm writing various articles about this on my blog. Not as many posted yet as I'd like, but I also have a life and a job to attend to. Look up the "Fishbone" diagram on my site for lots of good information about sources of quality issues in beer.